CVE-2025-53999
Deferred Deferred - Pending Action

Unauthenticated Broken Access Control in Altair

Publication date: 2026-08-20

Last updated on: 2026-08-20

Assigner: Patchstack

Description
Unauthenticated Broken Access Control in Altair <= 5.2.2 versions.

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Meta Information

Published
2026-08-20
Last Modified
2026-08-20
Generated
2026-08-20
AI Q&A
2026-08-20
EPSS Evaluated
N/A
NVD
CVE-2025-53999
EUVD
EUVD-2025-210757

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
patchstack altair to 5.2.2 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

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Executive Summary

This is an unauthenticated broken access control vulnerability in the Altair WordPress theme versions up to 5.2.2. It allows attackers to perform actions requiring higher privileges without authentication due to missing authorization checks, authentication, or nonce tokens.

Detection Guidance

Check if your WordPress site is running Altair Theme versions 5.2.2 or lower. Inspect server logs for unusual activity or unauthorized access attempts. Use security plugins to scan for known vulnerabilities in installed themes.

Impact Analysis

Unauthenticated attackers could exploit this to perform privileged actions on affected websites. This may lead to unauthorized modifications, data theft, or site takeover. The vulnerability is considered moderately dangerous and could be used in mass campaigns targeting many websites.

Mitigation Strategies

Apply Patchstack's mitigation rule to block attacks. Update the Altair Theme to the latest version if available. Contact your hosting provider or a web developer for assistance. Monitor your site for suspicious activity.

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